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| Number | Title | Issue Date |
| 8026317 | Isotactic specific catalyst for direct production of highly isotactic poly (propylene oxide) or highly isotactic poly (butylene oxide) (Salph or methoxy salph) Co (initiating ligand) catalyze homopolymerizing rac-PO to produce pure highly isotactic PPO and rac-1-butylene oxide to produce pure isotactic poly(butylene oxide). A product is unfractionated isotactic PPO of m-dyad content >81%, normally ... | 09/27/2011 |
| 7989554 | Reacting polyalkylene oxide with base, tertiary alkyl haloacetate, then acid to prepare polyalkylene oxide carboxylic acid A new method of preparing a tertiary alkyl ester of a polyalkylene oxide is provided. The new method employs milder conditions that avoid the back reaction to the starting polyalkylene oxide. The tertiary alkyl ester of a polyalkylene oxide is then reacted with a su... | 08/02/2011 |
| 7745547 | Multi-arm cyclic or cubic siloxane-based formulations for drug delivery The present invention provides multi-arm siloxane-based molecules suitable for use as a drug delivery vehicle comprising a central core molecule that comprises a cyclic or cubic siloxane, and a plurality of arms attached to the central core molecule, wherein each ar... | 06/29/2010 |
| 7553913 | Random and non-random alkylene oxide polymer alloy compositions A polymeric material comprised of (i) at least one random copolymer comprised of ethylene oxide and one or more other alkylene oxide(s) and (ii) at least one non-random polymer comprised of one or more poly(alkylene oxide)s has been discovered. Preferably, it is a p... | 06/30/2009 |
| 7550542 | Colorant compatible synthetic thickener for paint A synthetic polymer has a water-soluble or water-swellable polymer backbone and terminal groups and/or intermediate groups of blocks of hydrophobes of alkyl- or aryl compounds containing a polymerizable cyclic monomer or a polymerizable double bond (or alkene) group... | 06/23/2009 |
| 7538162 | Process for the production of polyoxyalkylene containing polyols from phenol condensation products This invention relates to a one-stage process for the production of polyoxyalkylene containing polyols having equivalent weights of about 150 to about 6000 and functionalities of about 2 to 8. The process comprises (1) mixing (a) an organic compound having a hydroxy... | 05/26/2009 |
| 7442213 | Methods of cleaning a situs with a cleaning composition comprising a polymer system The present invention relates to stable polymer systems comprising anionic and modified polyamine polymers. When such polymer systems are employed in cleaning compositions, such cleaning compositions exhibit unexpectedly improved anti-soil re-deposition and situs wh... | 10/28/2008 |
| 7432333 | Powder coating of amino-urea or urethane catalyst and epoxy/hydroxy and/or siloxane resin Low-cure powder coating compositions are disclosed, comprising at least one epoxy-containing resin and/or at least one siloxane-containing resin, and at least one material having the structure wherein R1 is an or... | 10/07/2008 |
| 7423111 | Reacting alkylene oxide with active hydrogen initiators to produce polyoxyalkylenes The problem is to efficiently produce an active hydrogen group-containing oxyalkylene polymer as a starting material of a hydrolyzable silicon group-containing oxyalkylene polymer which has a low viscosity while maintaining a plasticity of a cured product and which ... | 09/09/2008 |
| 7368169 | Hydrazide compounds with angiogenic activity Compounds exhibiting angiogenic properties incorporating the structure of Formula I: R3—NH—NH—C(═O)—R2—P—R1 (I) wherein P is a water-soluble, biodegradable polymer, R1 is hydrogen, l... | 05/06/2008 |
| 7362321 | Method of driving image display, driving device for image display, and image display An image display according to the present invention includes a driving device which performs pulse width modulation drive, restrains power consumption, and produces a good multi-tone display. The image display makes the difference between the scan line voltage and t... | 04/22/2008 |
| 7329709 | Photoactive materials and related compounds, devices, and methods The present invention relates to fullerene derivatives including a pendant group that may be reacted to prepare a composition including a plurality of covalently bound fullerenes. The pendant group may be a cyclic ether, such as an epoxide. The present invention als... | 02/12/2008 |
| 7247759 | Fluorination reactor Fluorination reactions in which an organic compound to be fluorinated is contacted with elemental fluorine and HF is produced as a byproduct are disclosed, wherein the elemental fluorine is contacted with the organic compound in the presence of a fluoride-adsorbing ... | 07/24/2007 |
| 7223477 | Coating powders having enhanced flexability Coating powders having a low curing temperature are comprised of an acid functional acrylic resin having an acid number between about 40 and 220, triglycidyl isocyanurate, and a curing catalyst comprising tetrabutyl ammonium bromide. Such coating powders have a stoi... | 05/29/2007 |
| 7163985 | Polymer systems and cleaning compositions comprising the same The present invention relates to stable polymer systems comprising anionic and modified polyamine polymers. When such polymer systems are employed in cleaning compositions, such cleaning compositions exhibit unexpectedly improved anti-soil re-deposition and situs wh... | 01/16/2007 |
| 7005552 | Single reactor synthesis of KOH-capped polyols based on DMC-synthesized intermediates The present invention relates to processes for preparing ethylene oxide (EO)-capped polyols in which removal of catalyst residues or salts formed by the neutralization of the basic catalyst is not required prior to discharging the polyol from the reactor because neu... | 02/28/2006 |
| 6972317 | Monohydric polyfluorooxetane polymer and radiation curable coatings containing a monofunctional polyfluorooxetane polymer Monofunctional polyfluorooxetane oligomers and polymers are prepared by the cationic polymerization of fluorooxetane monomers with a monoalcohol. The fluorooxetane oligomers or polymers can be copolymerized with generally cyclic ethers. Alternatively, the polyfluoro... | 12/06/2005 |
| 6918765 | Hydrogel dental adhesive composition, product, system, method and dispenser A dental product formed by a process and a method of using a denture including providing a denture having an outer face, applying a readily flowable material to the face. The flowable material comprises volatile material and polymeric material. Volatilizing at least... | 07/19/2005 |
| 6908955 | Oligomeric dispersant A composition that is a reaction product of two or three moieties. The first moiety (A) is a nonpolymeric, multi-functional moiety or combination of mono- or multifunctional moieties that adsorbs onto a cementitious particle. The second required moiety (C) is a line... | 06/21/2005 |
| 6864327 | Heterobifunctional poly(ethylene glycol) derivatives and methods for their preparation This invention provides a method for preparing, in high purity and high yield, heterobifunctional derivatives of poly(ethylene glycol) or related polymers. A chromatographic purification step is not necessary in the method. In accordance with the method of the inven... | 03/08/2005 |
| 6825273 | Polymer composites containing alkylene oxide copolymers Polymer composites comprising a water-insoluble polymer and a water-sensitive polymer are disclosed. The water-sensitive polymer is a copolymer polymerized from one or more alkylene oxide monomers and one or more epoxy-functional monomers. The polymer composites can... | 11/30/2004 |
| 6818587 | Double-metal cyanide catalysts for preparing polyether polyols The invention relates to double-metal cyanide (DMC) catalysts for preparing polyether polyols by the polyaddition of alkylene oxides on to starter compounds containing active hydrogen atoms, wherein the DMC catalysts are composed of: a) at least one DMC compound; b)... | 11/16/2004 |
| 6780813 | Process for producing DMC catalysts The invention relates to an improved method of producing double-metal cyanide (DMC) catalysts for the production of polyether polyols by polyaddition of alkylene oxides to starter compounds containing active hydrogen atoms, in which the DMC catalyst dispersion is pr... | 08/24/2004 |
| 6765069 | Plasma cross-linked hydrophilic coating A method for making a hydrophilic and lubricious coating, the coating so made and a medical device including such coating, wherein the coating includes a hydrophilic polymeric unit layer cross-linked with a plasma deposited double bond monomer. The hydrophilic polym... | 07/20/2004 |
| 6750298 | Surfactant copolymers based on methylidene malonate The invention generally concerns a novel family of biocompatible surfactant copolymers having a wide range of uses, in particular in pharmaceutics and for synthesizing substances in dispersed state and for surface treatment of materials or biomaterials. Said copolym... | 06/15/2004 |
| 6743756 | Suspensions of particles in non-aqueous solvents Liquid suspensions of particles in non-aqueous solvents are extremely stable over long periods of time with minimum separation of the solvent and no hard packing of the dispersed particles. The suspensions enable a user to rapidly add the suspension to water and to ... | 06/01/2004 |
| 6730405 | Polyisocyanate composition of low viscosity having a high functionality and preparation process This invention relates to a polyisocyanate composition having a mean functionality of greater than 3, obtained by polycondensation of diisocyanate or triisocyanate monomers. The invention also relates to a reactive coating composition comprising the isocyanat... | 05/04/2004 |
| 6610793 | Modified poly(ethylene oxide), method of making same and articles using same A method for making modified poly(ethylene oxide) by graft polymerizing thereto organic monomers containing a trialkoxy silane functional group or a moiety that reacts with water to form a silanol group, such as methacryloxypropyl trimethoxy silane, onto ... | 08/26/2003 |
| 6586524 | Cellular targeting poly(ethylene glycol)-grafted polymeric gene carrier The present invention relates to cationic polymeric conjugates and methods of preparing and using them as gene carriers. The cationic polymeric conjugates comprise a poly(ethylene glycol) (PEG) grafted cationic polymer and a targeting moiety(TM), wherein ... | 07/01/2003 |
| 6579953 | APPLICATION OF WATER-SOLUBLE OR WATER-DISPERSIBLE POLYMERIZATES WHICH CONTAIN POLY-ETHER AND WHICH ARE USED AS A COATING AGENT, A BINDING AGENT AND/OR AS A FILM-FORMING AUXILIARY AGENT IN PHARMACEUTICAL FORMS OF ADMINISTRATION The use of polymers which are obtainable by polymerization of a) at least one vinyl ester of aliphatic C1 -C24 -carboxylic acids in the presence of b) polyethers of the general formula I, ##STR1## in which the variables have, independent... | 06/17/2003 |
| 6545101 | Star-branched polymer with dendrimer core Polyisobutylene (PIB) functionalized with terminal reactive unsaturation is disclosed. Carbocationically polymerized monohalogen-terminated PIB is dehydrohalogenated in a hydrocarbon solvent using an alkoxide of the formula RO-M wherein R is alkyl of at l... | 04/08/2003 |
| 6512016 | Compositions for defoaming aqueous compositions Defoaming compositions consisting essentially of: A) at least one organosilicone compound having defoaming activity in aqueous based compositions; and B) at least one base catalyzed reaction product of: a) a linking agent of formula I R4 (Y)3 ... | 01/28/2003 |
| 6492462 | Side chain crystalline polymer as rheology modifier for crosslinked polymer The rheological properties of a crosslinkable resin system are modified by the presence of a side chain crystalline (SCC) polymer (or a similar crystalline polymer which melts over a narrow temperature range). The polymer dissolves in the curable system a... | 12/10/2002 |
| 6492461 | Oligomeric dispersant A composition that is a reaction product of two or three moieties. The first moiety (A) is a nonpolymeric, functional moiety that can adsorb onto a particle. The second required moiety (C) is a linear or branched water soluble, nonionic polymer that is ca... | 12/10/2002 |
| 6462143 | Gel-free process for making functionalized anionically polymerized polymers This invention relates to a gel-free process for making functionalized polymers. When multi-alkali metal initiators are used to make these polymers anionically, the process comprises anionically polymerizing at least one monomer with a multi-alkali metal ... | 10/08/2002 |
| 6455639 | Oxirane derivative and process for the preparation thereof An oxirane derivative and process for preparation of the same, having a high purity characterized in terms of gel permeation chromatography and thin layer chromatography. The oxirane derivative is useful as a starting material for medical purposes, and ma... | 09/24/2002 |
| 6448369 | Heterobifunctional poly(ethylene glycol) derivatives and methods for their preparation This invention provides a method for preparing, in high purity and high yield, heterobifunctional derivatives of poly(ethylene glycol) or related polymers. A chromatographic purification step is not necessary in the method. In accordance with the method o... | 09/10/2002 |
| 6437053 | Method for producing thermoplastic synthetic moulding compounds A process for the continuous preparation of a thermoplastic molding composition with narrow scatter of the melt flow index, which comprises mixing two or more chemically identical starting materials of different melt flow index in a pelletizing extruder f... | 08/20/2002 |
| 6376604 | Method for the preparation of 1-benzotriazolylcarbonate esters of poly(ethylene glycol) The invention provides a method for preparing a 1-benzotriazolylcarbonate ester of a water-soluble and non-peptidic polymer by reacting a terminal hydroxyl group of a water-soluble and non-peptidic polymer with di(1-benzotriazolyl) carbonate in the presen... | 04/23/2002 |
| 6365678 | Process for the production of polyether block copolysulfones A process for the production of polyether block copolysulfones via trans-etherification is disclosed. In the inventive process, an aromatic sulfone polymer is reacted with an aliphatic polyether having on average at least one terminal OH function, prefera... | 04/02/2002 |
